<template>
  <a-layout-header class="header">
    <div class="logo">信思教育知识库</div>
    <a-menu
            theme="dark"
            mode="horizontal"
            :style="{ lineHeight: '64px' ,width:400}"
    >
      <a-menu-item key="/" >
        <router-link to="/">首页</router-link>
      </a-menu-item>
      <a-menu-item key="/admin/user" v-if="user.id">
        <router-link to="/admin/user" >用户管理</router-link>
      </a-menu-item>
      <a-menu-item key="/admin/ebook" v-if="user.id">
        <router-link to="/admin/ebook">电子书管理</router-link>
      </a-menu-item>
      <a-menu-item key="/admin/category" v-if="user.id">
        <router-link to="/admin/category">分类管理</router-link>
      </a-menu-item>
      <a-menu-item key="/about">
        <router-link to="/about">关于我们</router-link>
      </a-menu-item>
      <a-menu-item key="/login">
        <a class="login-menu" style="color:white"  v-show="!user.id" @click="showLoginModal">
          <span>登录</span>
        </a>
      </a-menu-item>
      <a-menu-item key="/loginOut">
        <a-popconfirm
                title="确认退出登录?"
                ok-text="是"
                cancel-text="否"
                @confirm="logout()"
        >
          <a class="login-menu" v-show="user.id">
            <span>退出登录</span>
          </a>
        </a-popconfirm>
      </a-menu-item>
      <a-menu-item key="/showName">
        <span class="login-menu" style="color:white"  v-show="user.id">
          <span>您好：{{user.name}}</span>
        </span>
      </a-menu-item>
    </a-menu>
    <a-modal
            title="登录"
            v-model:visible="loginModalVisible"
            :confirm-loading="loginModalLoading"
            @ok="login"
    >
      <a-form :model="loginUser" :label-col="{ span: 6 }" :wrapper-col="{ span: 18 }">
        <a-form-item label="用户名">
          <a-input v-model:value="loginUser.loginName" />
        </a-form-item>
        <a-form-item label="密码">
          <a-input v-model:value="loginUser.password" type="password" />
        </a-form-item>
      </a-form>
    </a-modal>
  </a-layout-header>
</template>

<script lang="ts">
import { defineComponent, ref, computed } from 'vue';
import axios from 'axios';
import { message } from 'ant-design-vue';
import store from "@/store";

declare let hexMd5: any;
declare let KEY: any;
export default defineComponent({
  name: 'the-header',
  setup () {
    // 登录后保存
    const user =computed(() => store.state.user);//从全局变量中获取user对象的属性
    // 用来登录
    const loginUser = ref({
      loginName: "test",
      password: "test"
    });
    const loginModalVisible = ref(false);
    const loginModalLoading = ref(false);
    const showLoginModal = () => {
      loginModalVisible.value = true;
    };

    // 登录
    const login = () => {
      console.log("开始登录");
      loginModalLoading.value = true;
      loginUser.value.password = hexMd5(loginUser.value.password + KEY);
      axios.post('/user/login', loginUser.value).then((response) => {
        loginModalLoading.value = false;
        const data = response.data;
        if (data.success) {
          loginModalVisible.value = false;
          message.success("登录成功！");
          store.commit("setUser", data.content);//将接口返回的数据设置成全局变量
        } else {
          message.error(data.message);
        }
      });
    };

    // 退出登录
    const logout = () => {
      console.log("退出登录开始");
      axios.get('/user/logout/' + user.value.token).then((response) => {
        const data = response.data;
        if (data.success) {
          message.success("退出登录成功！");
          store.commit("setUser", {});
        } else {
          message.error(data.message);
        }
      });
    };

    return {
      loginModalVisible,
      loginModalLoading,
      showLoginModal,
      loginUser,
      login,
      user,
      logout
    }
  }
});
</script>
<style>
  .logo {
    width: 160px;
    height: 31px;
    font-size: 20px;
    float: left;
    color: white;
    font-size: 18px;
  }
  .login-menu {
    float: right;
    color: white;
    padding-left: 10px;
  }
</style>